Stopped: Problems for satellite centers in obtaining ethical clearance.
Tension-type headache (TTH) is a very common primary headache disorder, with important costs for both patients and society. Often these patients are not willing to take prophylactic medications and resort to complementary therapies. Osteopathic manipulative treatment (OMT) is an interesting option in such field, since it is characterized by a low profile of side effects. In this study the investigators will assess the efficacy of OMT (semi-structured evaluation and "black box" treatment) in frequent Episodic TTH (ETTH) in an outpatient setting. Preliminary data for power calculation are already available (Rolle et al. 2014), and the investigators plan to recruit 264 ETHH patients by a multicentric, randomized, double-blind, sham-controlled design.
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Headache frequency
Timeframe: 4 months